Ring Size Calculator
Circumference
Unit
Ring sizing is based on finger circumference. US uses a numerical scale; EU sizes equal circumference in mm minus 40; UK uses letters. Measure at end of day when fingers are slightly larger.
References
🔒
100% Gratis
Ingen registrering
✓
Nøyaktig
Verifiserte formler
⚡
Øyeblikkelig
Resultater med én gang
📱
Mobilevennlig
Alle enheter